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CI

General

A great place to start is the Website.

For comprehensive documentation see the User Guide

For quick reference, here are some useful details

Dependencies

Gradle
compile "com.impossibl.pgjdbc-ng:pgjdbc-ng:LATEST"
Maven
<dependency>
  <groupId>com.impossibl.pgjdbc-ng</groupId>
  <artifactId>pgjdbc-ng</artifactId>
  <version>LATEST</version>
</dependency>

JDBC URL

The driver accepts basic URLs in the following format

jdbc:pgsql://localhost:5432/db

See the User Guide for complete details on the accepted URL syntax.

Data sources

The javax.sql.DataSource class is

com.impossibl.postgres.jdbc.PGDataSource

, the javax.sql.ConnectionPoolDataSource class is

com.impossibl.postgres.jdbc.PGConnectionPoolDataSource

and the XADataSource class is

com.impossibl.postgres.jdbc.xa.PGXADataSource

License

pgjdbc-ng is released under the 3 clause BSD license.

Building

The driver is built with Gradle. To build & test, execute:

./gradlew clean build.

This will produce, in the driver/build/libs directory, two JAR files. One with dependencies packaged inside (pgjdbg-nc-all-<VERSION>) and another without (pgjdbc-ng-VERSION).

NOTE: Building requires a working install of Docker and Docker Compose as the unit tests are executed against a PostgreSQL instance in a private test container that is automatically started. If you wish to execute the tests against a specific instance of PostgreSQL outside of Docker see Testing.

Alternatively, to build the driver without testing you can execute:

./gradlew clean assemble

Testing

The unit tests need a PostgreSQL database to execute against. The build will start a Docker container and setup the test environment to execute against that container automatically.

If you don't have Docker installed or, wish to execute the tests against a specific instance of PostgreSQL, you can execute the build or test tasks with the noDocker property set to true. For example:

./gradle -PnoDocker=true test

For this to work the unit tests need to locate your selected PostgreSQL instance. The unit tests attempt a connection assuming theses defaults:

SERVER:     localhost
PORT:       5432
DATABASE:   test
USERNAME:   test
PASSWORD:   test

The following system properties are supported in order to customize the setup

pgjdbc.test.server
pgjdbc.test.port
pgjdbc.test.db
pgjdbc.test.user
pgjdbc.test.password